Equilateral Acrylic Prism, 150mm Length, 25mm Faces Size_Large Used to extend a galvanometer's

Used to extend a galvanometer's range to 0

the larger geometry pushing pole separation wide enough that field lines extend visibly beyond the magnet body for filing maps

Selenium photovoltaic cell on a 4 by 3 by 1

Engineered with a higher spring constant than a classic coiled novelty spring

Insulated copper solenoid 155mm long with a 27mm internal diameter

Equilateral Acrylic Prism, 150mm Length, 25mm Faces Size_Large Used to extend a galvanometer'sLong format 150mm length equilateral acrylic prism with 25mm faces, the elongated triangular body fitting wider beam refraction setups and class front dispersion demonstrations.